#include<iostream>
using namespace std;


int main(){

    int i = 10;
    int& r1 = i;
    int r2 = i;

    cout << "i:" << i << "  &i:" << &i << endl;
    cout << "r1:" << r1 << "  &r1:" << &r1 << endl;
    cout << "r2:" << r2 << "  &r2:" << &r2 << endl;

    system("pause");
    return 0;
}